María Díaz

María Díaz may refer to:


 * Maria Adela Diaz, Guatemalan artist
 * María Alejandra Díaz, Venezuelan politician
 * María Angélica Díaz del Campo (born 1965), Mexican politician
 * María Isabel Díaz Lago (born 1964), Cuban actress
 * María Rosa Díaz (born 1953), Argentine politician
 * María Díaz Cirauqui, Spanish footballer
 * María Díaz de León (born 1962), Mexican politician
 * Marie-Isabelle Diaz (1898–2011), French supercentenarian